Vacuum cleaner



FIG. 1 is a perspective view of a vacuum cleaner in accordance with an embodiment of the present invention;

FIG. 2 is a front view of the vacuum cleaner of FIG. 1;

FIG. 3 is a rear view of the vacuum cleaner of FIG. 1;

FIG. 4 is a left side view of the vacuum cleaner of FIG. 1;

FIG. 5 is a right side view of the vacuum cleaner of FIG. 1;

FIG. 6 is a top plan view of the vacuum cleaner of FIG. 1; and,

FIG. 7 is a bottom plan view of the vacuum cleaner of FIG. 1.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a vacuum cleaner, as shown and described. 